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27994374 = 2321555243
BaseRepresentation
bin110101011001…
…0100100000110
31221200021001200
41222302210012
524131304444
62440003330
7456643152
oct152624406
957607050
1027994374
1114890651
129460546
135a52125
143a0a062
1526ce969
hex1ab2906

27994374 has 12 divisors (see below), whose sum is σ = 60654516. Its totient is φ = 9331452.

The previous prime is 27994339. The next prime is 27994387. The reversal of 27994374 is 47349972.

27994374 is a `hidden beast` number, since 279 + 9 + 4 + 374 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 777604 + ... + 777639.

It is an arithmetic number, because the mean of its divisors is an integer number (5054543).

Almost surely, 227994374 is an apocalyptic number.

27994374 is an abundant number, since it is smaller than the sum of its proper divisors (32660142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27994374 is a wasteful number, since it uses less digits than its factorization.

27994374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555251 (or 1555248 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 27994374 is about 5290.9709883915. The cubic root of 27994374 is about 303.6385579091.

The spelling of 27994374 in words is "twenty-seven million, nine hundred ninety-four thousand, three hundred seventy-four".

Divisors: 1 2 3 6 9 18 1555243 3110486 4665729 9331458 13997187 27994374